Add util::capitalized() and Type::categoryName()

libsolidity/ast/Types.h

@@ -174,9 +174,26 @@ public:
 
 	enum class Category
 	{
-		Address, Integer, RationalNumber, StringLiteral, Bool, FixedPoint, Array, ArraySlice,
-		FixedBytes, Contract, Struct, Function, Enum, UserDefinedValueType, Tuple,
-		Mapping, TypeType, Modifier, Magic, Module,
+		Address,
+		Integer,
+		RationalNumber,
+		StringLiteral,
+		Bool,
+		FixedPoint,
+		Array,
+		ArraySlice,
+		FixedBytes,
+		Contract,
+		Struct,
+		Function,
+		Enum,
+		UserDefinedValueType,
+		Tuple,
+		Mapping,
+		TypeType,
+		Modifier,
+		Magic,
+		Module,
 		InaccessibleDynamic
 	};
 
@@ -184,6 +201,8 @@ public:
 	static Type const* commonType(Type const* _a, Type const* _b);
 
 	virtual Category category() const = 0;
+	static char const* categoryName(Type::Category _category);
+
 	/// @returns a valid solidity identifier such that two types should compare equal if and
 	/// only if they have the same identifier.
 	/// The identifier should start with "t_".